//
//  UserAccount.swift
//  Weibo
//
//  Created by 孙成宇 on 15/11/28.
//  Copyright © 2015年 mac. All rights reserved.
//
/*

返回值字段	字段类型	字段说明
access_token	string	用于调用access_token，接口获取授权后的access token。
expires_in	string	access_token的生命周期，单位是秒数。
remind_in	string	access_token的生命周期（该参数即将废弃，开发者请使用expires_in）。
uid	string	当前授权用户的UID。

*/
import UIKit

class UserAccount: NSObject,NSCoding {
    //用于调用access_token，接口获取授权后的access token。
    var access_token :	String?
    //access_token的生命周期，单位是秒数。
    var expires_in : NSTimeInterval = 0 {
        didSet {
            expires_date = NSDate(timeIntervalSinceNow: expires_in)
        
        }
    
    }
    //当前授权用户的UID。
    
        var expires_date: NSDate?
    
    var uid	: String?
    
    
    var name : String?
    
    var avatar_large: String?
    
    init(dict : [String:AnyObject]) {
        super.init()

    setValuesForKeysWithDictionary(dict)
    
    }
    //保存到沙河路径
    func saveAccount(){
    
        let path = (NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true).last! as NSString).stringByAppendingPathComponent("account.plist")
        NSKeyedArchiver.archiveRootObject(self, toFile: path)
        print(path)
    
    }
    
    class func loadAccount()->UserAccount? {
        let path = (NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true).last! as NSString).stringByAppendingPathComponent("account.plist")
        //解归档
        if let account = NSKeyedUnarchiver.unarchiveObjectWithFile(path) as? UserAccount {
            
            //添加过期日期判断
//            if account.expires_date?.compare(NSDate()) == NSComparisonResult.OrderedDescending {
//                return account
//            }
            return account
        }
        return nil


    }
    
    
    
    
    
    
    
    
    
    //过滤
    override func setValue(value: AnyObject?, forUndefinedKey key: String) {
        
    }
    //重写decription属性
    override var description: String {
    
    let keys = ["access_token","expires_in","uid","name","avatar_large","expires_date"]
        return dictionaryWithValuesForKeys(keys).description
    
    }
    //实现NSCOding的两个协议方法
    //解归档
    required init?(coder aDecoder: NSCoder) {
        access_token = aDecoder.decodeObjectForKey("access_token")as? String
        
        expires_date = aDecoder.decodeObjectForKey("expires_date")as?
        NSDate
        uid = aDecoder.decodeObjectForKey("uid") as?
        String
        name = aDecoder.decodeObjectForKey("name") as?
        String
        
        avatar_large = aDecoder.decodeObjectForKey("avatar_large") as?
String
        
    }
    //归档
    func encodeWithCoder(aCoder: NSCoder) {
        aCoder.encodeObject(access_token, forKey: "access_token")
        aCoder.encodeObject(expires_date, forKey: "expires_date")
        aCoder.encodeObject(uid, forKey: "uid")
        aCoder.encodeObject(name, forKey: "name")
        aCoder.encodeObject(avatar_large, forKey: "avatar_large")
    }
    
    
    
    
}
